Charged Higgs production via vector-boson fusion at NNLO in QCD

TL;DR

This paper calculates precise predictions for charged Higgs production via vector-boson fusion at NNLO in QCD, reducing theoretical uncertainties to about 2%, aiding future experimental searches.

Contribution

It provides the first NNLO QCD cross section calculations for charged Higgs production via weak boson fusion using the structure function approach.

Findings

Total cross sections computed at NNLO with 2% theoretical uncertainty.

Results applicable across a wide range of Higgs boson masses.

Enhanced precision for experimental Higgs searches at the LHC.

Abstract

We present the total cross sections at next-to-next-to-leading order (NNLO) in the strong coupling for single and double charged Higgs production via weak boson fusion. Results are obtained via the structure function approach, which builds upon the approximate, though very accurate, factorization of the QCD corrections between the two quark lines. The theoretical uncertainty on the total cross sections at the LHC from higher order corrections and the parton distribution uncertainties are estimated at the 2% level each for a wide range of Higgs boson masses.